From eb29dc6aed5ee10b5eb23905ca03a3466d19519b Mon Sep 17 00:00:00 2001
From: stubbfel <stubbe@iit.tu-cottbus.de>
Date: Tue, 10 Sep 2013 15:48:48 +0200
Subject: [PATCH] loade courselist like a Feed

---
 CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj |  6 +-
 .../CampusAppWP8/Feed/Utility/CourseFeed.cs   | 59 +++++++++++++
 .../CampusAppWP8/Model/Exams/ExamListModel.cs | 23 +++++-
 .../Model/Lecture/LecturePageModel.cs         | 55 +++++++++----
 .../Utility/CampusListPickerItemListModel.cs  |  1 +
 .../Utility/CourseListPickerItemListModel.cs  | 82 ++++++++++++++++++-
 .../CampusAppWP8/Model/Utility/CourseModel.cs | 48 +++++++++++
 .../Utility/DegreeListPickerItemListModel.cs  |  1 +
 .../Model/Utility/ListPickerItemListModel.cs  |  1 -
 .../Utility/RoleListPickerItemListModel.cs    |  1 +
 .../SemesterListPickerItemListModel.cs        |  1 +
 .../Pages/Lecture/LecturePage.xaml.cs         |  9 +-
 .../Pages/Setting/UserProfil.xaml.cs          | 23 ++++--
 13 files changed, 279 insertions(+), 31 deletions(-)
 create mode 100644 CampusAppWP8/CampusAppWP8/Feed/Utility/CourseFeed.cs
 create mode 100644 CampusAppWP8/CampusAppWP8/Model/Utility/CourseModel.cs

diff --git a/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj b/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
index 69ec4569..171006aa 100644
--- a/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
+++ b/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
@@ -108,6 +108,7 @@
     <Compile Include="Feed\Mensa\MensaFeedCBSouth.cs" />
     <Compile Include="Feed\Mensa\MensaFeedCBNorth.cs" />
     <Compile Include="Feed\Mensa\MensaFeedCBMain.cs" />
+    <Compile Include="Feed\Utility\CourseFeed.cs" />
     <Compile Include="File\Exams\ExamFile.cs" />
     <Compile Include="File\Places\PlacesFile.cs" />
     <Compile Include="Model\BinaryModel.cs" />
@@ -128,6 +129,7 @@
     <Compile Include="Model\Setting\AppSettings.cs" />
     <Compile Include="Model\Setting\UserProfilModel.cs" />
     <Compile Include="Model\Utility\CourseListPickerItemListModel.cs" />
+    <Compile Include="Model\Utility\CourseModel.cs" />
     <Compile Include="Model\Utility\DegreeListPickerItemListModel.cs" />
     <Compile Include="Model\Utility\CleanUrlParamModel.cs" />
     <Compile Include="Model\Utility\CampusListPickerItemListModel.cs" />
@@ -535,9 +537,7 @@
   <ItemGroup>
     <Service Include="{508349B6-6B84-4DF5-91F0-309BEEBAD82D}" />
   </ItemGroup>
-  <ItemGroup>
-    <Folder Include="Feed\Utility\" />
-  </ItemGroup>
+  <ItemGroup />
   <Import Project="$(MSBuildExtensionsPath)\Microsoft\$(TargetFrameworkIdentifier)\$(TargetFrameworkVersion)\Microsoft.$(TargetFrameworkIdentifier).$(TargetFrameworkVersion).Overrides.targets" />
   <Import Project="$(MSBuildExtensionsPath)\Microsoft\$(TargetFrameworkIdentifier)\$(TargetFrameworkVersion)\Microsoft.$(TargetFrameworkIdentifier).CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
diff --git a/CampusAppWP8/CampusAppWP8/Feed/Utility/CourseFeed.cs b/CampusAppWP8/CampusAppWP8/Feed/Utility/CourseFeed.cs
new file mode 100644
index 00000000..70d9103b
--- /dev/null
+++ b/CampusAppWP8/CampusAppWP8/Feed/Utility/CourseFeed.cs
@@ -0,0 +1,59 @@
+//-----------------------------------------------------------------------
+// <copyright file="CourseFeed.cs" company="BTU/IIT">
+//     Company copyright tag.
+// </copyright>
+// <author>stubbfel</author>
+// <sience>02.09.2013</sience>
+//----------------------------------------------------------------------
+namespace CampusAppWP8.Feed.Utility
+{
+    using System.IO;
+    using CampusAppWP8.Model;
+    using CampusAppWP8.Model.Exams;
+    using CampusAppWP8.Resources;
+
+    /// <summary>Course Feed.</summary>
+    /// <remarks>Stubbfel, 02.09.2013.</remarks>
+    public class CourseFeed : XmlModel<ExamListModel>
+    {
+        /// <summary>Initializes a new instance of the CourseFeed class.</summary>
+        /// <remarks>Stubbfel, 02.09.2013.</remarks>
+        public CourseFeed()
+            : base(ModelType.FileAndFeed, Constants.FileExamApp_ExamFeed, Constants.UrlExamApp_ExamFeed)
+        {
+            this.IsFileUpToDateOnLoad += new IsFileUpToDate(this.CheckIsFileUpToDate);
+            this.IsModelUpToDateOnLoad += new IsModelUpToDate(this.CheckIsModelUpToDate);
+            this.IsFileUpToDateOnSave += new IsFileUpToDate(this.CheckIsFileUpToDate);
+            this.ValidRootName = Constants.ExamXmlValidRootName;
+        }
+
+        /// <summary>Check is model up to date.</summary>
+        /// <remarks>Stubbfel, 02.09.2013.</remarks>
+        /// <param name="model">The model.</param>
+        /// <returns>true if it succeeds, false if it fails.</returns>
+        private bool CheckIsModelUpToDate(ExamListModel model)
+        {
+            if (model == null)
+            {
+                return false;
+            }
+
+            return true;
+        }
+
+        /// <summary>Check is file up to date.</summary>
+        /// <remarks>Stubbfel, 02.09.2013.</remarks>
+        /// <param name="model">   The model.</param>
+        /// <param name="fileInfo">Information describing the file.</param>
+        /// <returns>true if it succeeds, false if it fails.</returns>
+        private bool CheckIsFileUpToDate(ExamListModel model, FileInfo fileInfo)
+        {
+            if (fileInfo == null || !fileInfo.Exists || fileInfo.Length < 1)
+            {
+                return false;
+            }
+
+            return true;
+        }
+    }
+}
diff --git a/CampusAppWP8/CampusAppWP8/Model/Exams/ExamListModel.cs b/CampusAppWP8/CampusAppWP8/Model/Exams/ExamListModel.cs
index 12cbb196..64b1c6e0 100644
--- a/CampusAppWP8/CampusAppWP8/Model/Exams/ExamListModel.cs
+++ b/CampusAppWP8/CampusAppWP8/Model/Exams/ExamListModel.cs
@@ -6,9 +6,11 @@
 // <sience>02.09.2013</sience>
 //----------------------------------------------------------------------
 namespace CampusAppWP8.Model.Exams
-{
+{    
+    using System.Collections.Generic;
     using System.Collections.ObjectModel;
     using System.Xml.Serialization;
+    using CampusAppWP8.Model.Utility;
 
     /// <summary>Exam list model.</summary>
     /// <remarks>Stubbfel, 02.09.2013.</remarks>
@@ -19,5 +21,24 @@ namespace CampusAppWP8.Model.Exams
         /// <value>The exams.</value>
         [XmlElement("link")]
         public ObservableCollection<ExamModel> Exams { get; set; }
+
+        /// <summary>Creates course list.</summary>
+        /// <remarks>Stubbfel, 10.09.2013.</remarks>
+        /// <returns>The new course list.</returns>
+        public List<CourseModel> CreateCourseList()
+        {
+            List<CourseModel> result = new List<CourseModel>();
+            foreach (ExamModel exam in this.Exams)
+            {
+                CourseModel tmpModel = new CourseModel(exam.CourseNumber, exam.CourseText);
+
+                if (!result.Contains(tmpModel))
+                {
+                    result.Add(tmpModel);
+                }
+            }
+
+            return result;
+        }
     }
 }
diff --git a/CampusAppWP8/CampusAppWP8/Model/Lecture/LecturePageModel.cs b/CampusAppWP8/CampusAppWP8/Model/Lecture/LecturePageModel.cs
index 0b2e6f45..a525053f 100644
--- a/CampusAppWP8/CampusAppWP8/Model/Lecture/LecturePageModel.cs
+++ b/CampusAppWP8/CampusAppWP8/Model/Lecture/LecturePageModel.cs
@@ -55,7 +55,7 @@ namespace CampusAppWP8.Model.Lecture
         /// <remarks>
         /// need to be extend to full list
         /// </remarks>
-        private ListPickerItemListModel courseList;
+        private CourseListPickerItemListModel courseList;
 
         /// <summary>
         /// List of the degrees
@@ -86,12 +86,23 @@ namespace CampusAppWP8.Model.Lecture
         /// </summary>
         public LecturePageModel()
         {
-            this.courseList = new CourseListPickerItemListModel();
-            this.degreeList = new DegreeListPickerItemListModel();
-            this.semesterList = new SemesterListPickerItemListModel();
         }
         #endregion
 
+        #region events
+
+        /// <summary>
+        /// Delegate of the OnIO callback function.
+        /// </summary>
+        public delegate void OnIO();
+
+        /// <summary>
+        /// Callback pointer, called after loading.
+        /// </summary>
+        public event OnIO OnLoaded = null;
+
+        #endregion
+
         #region Proberty
 
         /// <summary>
@@ -254,18 +265,11 @@ namespace CampusAppWP8.Model.Lecture
         /// </summary>
         public void LoadLists()
         {
-            this.LoadFromNumberList();
-            this.LoadToNumberList();
-            UserProfilModel userModel = Settings.UserProfil;
-            this.selectCourseIndex = this.courseList.GetIndexOrDefault(((int)userModel.Course).ToString().PadLeft(3, '0'));
-            this.selectDegreeIndex = this.degreeList.GetIndexOrDefault(((int)userModel.Degree).ToString());
-            this.selectSemesterIndex = this.semesterList.GetIndexOrDefault(((int)userModel.Semester).ToString());
+            this.courseList = new CourseListPickerItemListModel();
+            this.courseList.OnLoaded += new CourseListPickerItemListModel.OnIO(this.CourseListIsReady);
+            this.courseList.LoadCourseList();            
         }
 
-        #endregion
-
-        #region private
-
         /// <summary>
         /// Load the NumberList
         /// </summary>
@@ -296,6 +300,29 @@ namespace CampusAppWP8.Model.Lecture
             this.SelectToIndex = this.toNumberList.GetIndexOrDefault(selectValue);
         }
 
+        #endregion
+
+        #region private
+
+        /// <summary>Course list is ready.</summary>
+        /// <remarks>Stubbfel, 10.09.2013.</remarks>
+        private void CourseListIsReady()
+        {
+            this.degreeList = new DegreeListPickerItemListModel();
+            this.semesterList = new SemesterListPickerItemListModel();
+
+            this.LoadFromNumberList();
+            this.LoadToNumberList();
+            UserProfilModel userModel = Settings.UserProfil;
+            this.selectCourseIndex = this.courseList.GetIndexOrDefault(((int)userModel.Course).ToString().PadLeft(3, '0'));
+            this.selectDegreeIndex = this.degreeList.GetIndexOrDefault(((int)userModel.Degree).ToString());
+            this.selectSemesterIndex = this.semesterList.GetIndexOrDefault(((int)userModel.Semester).ToString());
+            if (this.OnLoaded != null)
+            {
+                this.OnLoaded();
+            }
+        }
+
         /// <summary>
         /// Method create a NumberList
         /// </summary>
diff --git a/CampusAppWP8/CampusAppWP8/Model/Utility/CampusListPickerItemListModel.cs b/CampusAppWP8/CampusAppWP8/Model/Utility/CampusListPickerItemListModel.cs
index c7a826da..372c2103 100644
--- a/CampusAppWP8/CampusAppWP8/Model/Utility/CampusListPickerItemListModel.cs
+++ b/CampusAppWP8/CampusAppWP8/Model/Utility/CampusListPickerItemListModel.cs
@@ -21,6 +21,7 @@ namespace CampusAppWP8.Model.Utility
         public CampusListPickerItemListModel()
             : base()
         {
+            this.LoadList();
         }
 
         #endregion
diff --git a/CampusAppWP8/CampusAppWP8/Model/Utility/CourseListPickerItemListModel.cs b/CampusAppWP8/CampusAppWP8/Model/Utility/CourseListPickerItemListModel.cs
index 4c85b0f8..6cdb76a7 100644
--- a/CampusAppWP8/CampusAppWP8/Model/Utility/CourseListPickerItemListModel.cs
+++ b/CampusAppWP8/CampusAppWP8/Model/Utility/CourseListPickerItemListModel.cs
@@ -6,20 +6,26 @@
 //----------------------------------------------------------------------
 namespace CampusAppWP8.Model.Utility
 {
+    using System.Collections.Generic;
     using System.Linq;
+    using CampusAppWP8.Feed.Exams;
+    using CampusAppWP8.Feed.Utility;
+    using CampusAppWP8.Utility;
 
     /// <summary>
     /// This is a class for the courseList
     /// </summary>
     public class CourseListPickerItemListModel : ListPickerItemListModel
     {
+        /// <summary>List of courses.</summary>
+        private CourseFeed courseList;
+
         #region Constructor
 
         /// <summary>
         /// Initializes a new instance of the <see cref="CourseListPickerItemListModel" /> class.
         /// </summary>
         public CourseListPickerItemListModel()
-            : base()
         {
         }
 
@@ -27,14 +33,44 @@ namespace CampusAppWP8.Model.Utility
 
         #region Method
 
+        #region Events
+
+        /// <summary>
+        /// Delegate of the OnIO callback function.
+        /// </summary>
+        public delegate void OnIO();
+
+        /// <summary>
+        /// Callback pointer, called after loading.
+        /// </summary>
+        public event OnIO OnLoaded = null;
+        #endregion
+
         #region private
 
         /// <summary>
         /// Overrides the LoadList-Method <see cref="ListPickerItemListModel"/>
         /// </summary>
-        protected override void LoadList()
+        public void LoadCourseList()
+        {
+            if (this.courseList == null || this.courseList.Model == null)
+            {
+                this.courseList = new CourseFeed();
+                this.courseList.OnLoaded += new ExamFeed.OnIO(this.FeedIsReady);
+                this.courseList.OnFailedWeb += new ExamFeed.OnFailed(this.FeedIsFail);
+                this.courseList.OnFailedFile += new ExamFeed.OnFailed(this.FeedIsFail);
+                this.courseList.LoadData();
+            }
+            else
+            {
+                this.CallOnLoaded();
+            }
+        }
+
+        /// <summary>Fall back list.</summary>
+        /// <remarks>Stubbfel, 10.09.2013.</remarks>
+        private void FallBackList()
         {
-            this.AddItem(new ListPickerItemModel("013", "Architektur"));
             this.AddItem(new ListPickerItemModel("017", "Bauingenieurwesen"));
             this.AddItem(new ListPickerItemModel("021", "Betriebswirtschaftslehre"));
             this.AddItem(new ListPickerItemModel("042", "Wirtschaftsrecht für Technologieunternehmen"));
@@ -79,6 +115,46 @@ namespace CampusAppWP8.Model.Utility
             this.List = this.List.OrderBy(o => o.Text).ToList();
         }
 
+        /// <summary>Feed is fail.</summary>
+        /// <remarks>Stubbfel, 10.09.2013.</remarks>
+        private void FeedIsFail()
+        {
+            this.FallBackList();
+            this.CallOnLoaded();
+        }
+
+        /// <summary>Feed is ready.</summary>
+        /// <remarks>Stubbfel, 10.09.2013.</remarks>
+        private void FeedIsReady()
+        {
+            this.ConvertToListPickerItemModel(this.courseList.Model.CreateCourseList());
+            this.CallOnLoaded();
+        }
+
+        /// <summary>Converts a courseList to a list picker item model.</summary>
+        /// <remarks>Stubbfel, 10.09.2013.</remarks>
+        /// <param name="courseList">List of courses.</param>
+        private void ConvertToListPickerItemModel(List<CourseModel> courseList)
+        {
+            foreach (CourseModel course in courseList)
+            {
+                this.AddItem(new ListPickerItemModel(course.CourseNumber, StringManager.StripHTML(course.CourseText)));
+            }
+
+            this.List = this.List.OrderBy(o => o.Text).ToList();
+            this.courseList.SaveData();
+        }
+
+        /// <summary>Call on loaded.</summary>
+        /// <remarks>Stubbfel, 10.09.2013.</remarks>
+        private void CallOnLoaded()
+        {
+            if (this.OnLoaded != null)
+            {
+                this.OnLoaded();
+            }
+        }
+
         #endregion
 
         #endregion
diff --git a/CampusAppWP8/CampusAppWP8/Model/Utility/CourseModel.cs b/CampusAppWP8/CampusAppWP8/Model/Utility/CourseModel.cs
new file mode 100644
index 00000000..26ad1dc5
--- /dev/null
+++ b/CampusAppWP8/CampusAppWP8/Model/Utility/CourseModel.cs
@@ -0,0 +1,48 @@
+// <copyright file="CourseModel.cs" company="BTU/IIT">
+//     Company copyright tag.List
+// </copyright>
+// <author>stubbfel</author>
+// <sience>25.07.2013</sience>
+//----------------------------------------------------------------------
+
+namespace CampusAppWP8.Model.Utility
+{
+    using System;
+
+    /// <summary>Course model.</summary>
+    /// <remarks>Stubbfel, 10.09.2013.</remarks>
+    public class CourseModel : IEquatable<CourseModel>
+    {
+        /// <summary>Initializes a new instance of the CourseModel class.</summary>
+        /// <remarks>Stubbfel, 10.09.2013.</remarks>
+        /// <param name="courseNumber">The course number.</param>
+        /// <param name="courseText">  The course text.</param>
+        public CourseModel(string courseNumber, string courseText)
+        {
+            this.CourseNumber = courseNumber;
+            this.CourseText = courseText;
+        }
+
+        /// <summary>Gets or sets the course number.</summary>
+        /// <value>The course number.</value>
+        public string CourseNumber { get; set; }
+
+        /// <summary>Gets or sets the course text.</summary>
+        /// <value>The course text.</value>
+        public string CourseText { get; set; }
+
+        /// <summary>Tests if this CourseModel is considered equal to another.</summary>
+        /// <remarks>Stubbfel, 10.09.2013.</remarks>
+        /// <param name="other">The course model to compare to this object.</param>
+        /// <returns>true if the objects are considered equal, false if they are not.</returns>
+        public bool Equals(CourseModel other)
+        {
+            if (this.CourseNumber.Equals(other.CourseNumber))
+            {
+                return true;
+            }
+
+            return false;
+        }
+    }
+}
diff --git a/CampusAppWP8/CampusAppWP8/Model/Utility/DegreeListPickerItemListModel.cs b/CampusAppWP8/CampusAppWP8/Model/Utility/DegreeListPickerItemListModel.cs
index 19e997bb..78c211bd 100644
--- a/CampusAppWP8/CampusAppWP8/Model/Utility/DegreeListPickerItemListModel.cs
+++ b/CampusAppWP8/CampusAppWP8/Model/Utility/DegreeListPickerItemListModel.cs
@@ -21,6 +21,7 @@ namespace CampusAppWP8.Model.Utility
         public DegreeListPickerItemListModel()
             : base()
         {
+            this.LoadList();
         }
 
         #endregion
diff --git a/CampusAppWP8/CampusAppWP8/Model/Utility/ListPickerItemListModel.cs b/CampusAppWP8/CampusAppWP8/Model/Utility/ListPickerItemListModel.cs
index 5cb196fb..555ebf40 100644
--- a/CampusAppWP8/CampusAppWP8/Model/Utility/ListPickerItemListModel.cs
+++ b/CampusAppWP8/CampusAppWP8/Model/Utility/ListPickerItemListModel.cs
@@ -31,7 +31,6 @@ namespace CampusAppWP8.Model.Utility
         public ListPickerItemListModel()
         {
             this.list = new List<ListPickerItemModel>();
-            this.LoadList();
         }
 
         #endregion
diff --git a/CampusAppWP8/CampusAppWP8/Model/Utility/RoleListPickerItemListModel.cs b/CampusAppWP8/CampusAppWP8/Model/Utility/RoleListPickerItemListModel.cs
index 72aac6b8..205f2b6a 100644
--- a/CampusAppWP8/CampusAppWP8/Model/Utility/RoleListPickerItemListModel.cs
+++ b/CampusAppWP8/CampusAppWP8/Model/Utility/RoleListPickerItemListModel.cs
@@ -21,6 +21,7 @@ namespace CampusAppWP8.Model.Utility
         public RoleListPickerItemListModel()
             : base()
         {
+            this.LoadList();
         }
 
         #endregion
diff --git a/CampusAppWP8/CampusAppWP8/Model/Utility/SemesterListPickerItemListModel.cs b/CampusAppWP8/CampusAppWP8/Model/Utility/SemesterListPickerItemListModel.cs
index bd6e2159..e3d3be7f 100644
--- a/CampusAppWP8/CampusAppWP8/Model/Utility/SemesterListPickerItemListModel.cs
+++ b/CampusAppWP8/CampusAppWP8/Model/Utility/SemesterListPickerItemListModel.cs
@@ -21,6 +21,7 @@ namespace CampusAppWP8.Model.Utility
         public SemesterListPickerItemListModel()
             : base()
         {
+            this.LoadList();
         }
 
         #endregion
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs
index f596f801..ee02e75c 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs
@@ -9,7 +9,6 @@ namespace CampusAppWP8.Pages.Lecture
 {
     using System;
     using System.Collections.Generic;
-    using System.Linq;
     using System.Windows;
     using System.Windows.Navigation;
     using CampusAppWP8.Api.Lecture;
@@ -18,7 +17,6 @@ namespace CampusAppWP8.Pages.Lecture
     using CampusAppWP8.Resources;
     using CampusAppWP8.Utility.Lui.MessageBoxes;
     using Microsoft.Phone.Controls;
-    using System.Collections.ObjectModel;
 
     /// <summary>
     /// Class for the LecturePage
@@ -56,8 +54,6 @@ namespace CampusAppWP8.Pages.Lecture
             this.InitializeComponent();
             this.init = false;
             this.LoadPageModel();
-            this.SetupListPickers();
-            this.init = true;
         }
 
         #endregion
@@ -96,7 +92,9 @@ namespace CampusAppWP8.Pages.Lecture
         /// </summary>
         private void LoadPageModel()
         {
+            this.ProgressBar.Visibility = Visibility.Visible;
             this.pageModel = new LecturePageModel();
+            this.pageModel.OnLoaded += new LecturePageModel.OnIO(this.SetupListPickers);
             this.pageModel.LoadLists();
         }
 
@@ -119,6 +117,8 @@ namespace CampusAppWP8.Pages.Lecture
             }
 
             this.SetSelectedIndex();
+            this.init = true;
+            this.ProgressBar.Visibility = Visibility.Collapsed;
         }
 
         /// <summary>
@@ -205,6 +205,7 @@ namespace CampusAppWP8.Pages.Lecture
             {
                 this.api.Model.FilterByCourseTitle(query);
             }
+
             App.SaveToIsolatedStorage<LectureList>(Constants.IsolatedStorage_LectureModel, this.api.Model);
             this.ProgressBar.Visibility = System.Windows.Visibility.Collapsed;
             Uri url = new Uri(Constants.PathLecture_ResultPage, UriKind.Relative);
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Setting/UserProfil.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Setting/UserProfil.xaml.cs
index f4668df9..86babeb8 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Setting/UserProfil.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Setting/UserProfil.xaml.cs
@@ -8,6 +8,7 @@
 namespace CampusAppWP8.Pages.Setting
 {
     using System;
+    using System.Windows;
     using System.Windows.Navigation;
     using CampusAppWP8.Model.Setting;
     using CampusAppWP8.Model.Utility;
@@ -24,6 +25,9 @@ namespace CampusAppWP8.Pages.Setting
         /// </summary>
         private UserProfilModel userProfil;
 
+        /// <summary>List of courses.</summary>
+        private CourseListPickerItemListModel courseList;
+
         /// <summary>
         /// Initializes a new instance of the <see cref="UserProfil" /> class.
         /// </summary>
@@ -31,8 +35,7 @@ namespace CampusAppWP8.Pages.Setting
         {
             this.InitializeComponent();
             this.userProfil = Settings.UserProfil;
-
-            this.SetupListPickers();
+            this.LoadListPicker();
         }
 
         /// <summary>
@@ -47,28 +50,38 @@ namespace CampusAppWP8.Pages.Setting
             }
         }
 
+        /// <summary>Loads list picker.</summary>
+        /// <remarks>Stubbfel, 10.09.2013.</remarks>
+        private void LoadListPicker()
+        {
+            this.ProgressBar.Visibility = Visibility.Visible;
+            this.courseList = new CourseListPickerItemListModel();
+            this.courseList.OnLoaded += new CourseListPickerItemListModel.OnIO(this.SetupListPickers);
+            this.courseList.LoadCourseList();
+        }
+
         /// <summary>
         /// Method sets the ItemSource of the ListPickers
         /// </summary>
         private void SetupListPickers()
         {
-            CourseListPickerItemListModel courseList = new CourseListPickerItemListModel();
             DegreeListPickerItemListModel degreeList = new DegreeListPickerItemListModel();
             SemesterListPickerItemListModel semesterList = new SemesterListPickerItemListModel();
             RoleListPickerItemListModel roleList = new RoleListPickerItemListModel();
             CampusListPickerItemListModel campusList = new CampusListPickerItemListModel();
 
-            this.Course.ItemsSource = courseList.List;
+            this.Course.ItemsSource = this.courseList.List;
             this.Degree.ItemsSource = degreeList.List;
             this.Semster.ItemsSource = semesterList.List;
             this.Role.ItemsSource = roleList.List;
             this.Campus.ItemsSource = campusList.List;
 
-            this.Course.SelectedIndex = courseList.GetIndexOrDefault(this.userProfil.Course.ToString().PadLeft(3, '0'));
+            this.Course.SelectedIndex = this.courseList.GetIndexOrDefault(this.userProfil.Course.ToString().PadLeft(3, '0'));
             this.Degree.SelectedIndex = degreeList.GetIndexOrDefault(((int)this.userProfil.Degree).ToString());
             this.Semster.SelectedIndex = semesterList.GetIndexOrDefault(this.userProfil.Semester.ToString());
             this.Role.SelectedIndex = roleList.GetIndexOrDefault(this.userProfil.Role.ToString());
             this.Campus.SelectedIndex = campusList.GetIndexOrDefault(((int)this.userProfil.DefaultCampus).ToString());
+            this.ProgressBar.Visibility = Visibility.Collapsed;
         }
 
         /// <summary>